diff --git a/.github/workflows/ghcr-publish.yml b/.github/workflows/ghcr-publish.yml
index d83305c..d1c3cc8 100644
--- a/.github/workflows/ghcr-publish.yml
+++ b/.github/workflows/ghcr-publish.yml
@@ -1,5 +1,9 @@
 name: Push to GHCR
-on: [push]
+on:
+  push:
+    branches:
+      - master
+
 jobs:
   build:
     runs-on: ubuntu-latest